PreparED Study Materials
Notes
Videos
Surviving Extreme Deceleration: David Purley's Remarkable Story
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the incredible tale of David Purley's survival in a high-speed car crash! In this video, we calculate the magnitude of the acceleration he experienced during the rapid deceleration from 173 km/h to zero. Learn how to express it in units of gravity and explore the limits of human endurance.
Advantages of Laboratory-Based Measurement Standards
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the key reasons why measurement standards rooted in laboratory procedures offer advantages over standards based on specific objects, like the international prototype kilogram. Dive into the world of metrology and standardization in this informative video.
Monkey and Cart: Impact of Cantaloupe on Speed
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Join us as we delve into the physics of a monkey and her cart, complete with a spring. Witness the intriguing change in maximum speed when the monkey picks up a cantaloupe. Learn how mass and vibrations affect the outcome.
Highway Lane Dividers: Musical Notes & Speed Calculation Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the physics behind the musical notes produced when car tires interact with highway lane dividers. This video explains the "stick-slip friction" phenomenon and its relation to tire vibrations. Learn how analyzing sound frequencies can offer insights into vehicle speeds
Kinetic Energy: Saturn 5 & Apollo at 11.2 km/s Speed
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Learn how to calculate the kinetic energy of a Saturn 5 rocket with an Apollo spacecraft attached using physics principles and formulas. Understand the importance of unit conversion and the work-energy theorem as you plug values into the KE = 1/2 mv² formula. Discover that the kinetic energy for this rocket and spacecraft combo is an astonishing 1.82 x 10¹³ Joules.
Physics of Bouncing: Calculating Velocity & Energy Conservation Explor
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover how energy conservation principles determine the velocity of a bouncing ball. Relate the ball's height and its potential and kinetic energies. Understand the velocity change upon impact and rebound.